1.Use vacuum at the pump, take down enter angry cap at first, join, release into container, spend the pipeline should be short ;
2.Check air inlet junction and urgent, release into container and spend pipeline seal reliable, there can't be seepage phenomenon ;
3.Cap of exhausting on taking down and catching the collecting device, open the switch, the pump begins to start to run ;
4.Pump after the use, shut off pump and valve to smoke container ;
5.Shut off the switch on the pump, pull out the plug ;
6.Remove and join the pipeline ;
7.Cover and enter the angry cap and exhaust closely on the cap-like cover finally, prevent the booty or the particle floats to enter the pump .